A Beginner's Guide to Using the traceroute Command in Linux

Are you curious about the path your packets take when reaching a specific host on the internet? The traceroute command is an essential tool for tracking the nodes your packets traverse to reach their destination. To make use of the traceroute command, simply enter the following command in your Linux terminal: traceroute <host> This command will collect the necessary information while the packet travels, providing you with valuable insights into the network path....

A brief history of Node.js

A look back on the history of Node.js from 2009 to today Believe it or not, Node.js is just 9 years old. In comparison, JavaScript is 23 years old and the web as we know it (after the introduction of Mosaic) is 25 years old. 9 years may seem like a short amount of time for a technology, but Node.js has had a lasting impact. As a senior developer, I’ve had the pleasure of working with Node....

A Complete Introduction to Apollo, the GraphQL Toolkit

Apollo is a suite of tools that allows developers to create and consume GraphQL APIs. In this article, we will explore Apollo in detail, focusing on both Apollo Client and Apollo Server. Introduction to Apollo In recent years, GraphQL has gained popularity as an alternative approach to building APIs compared to traditional REST architectures. GraphQL allows clients to specify exactly which data they need, reducing unnecessary data transfers and providing a flexible and efficient way to interact with an API....

A Comprehensive Guide to Great Git Tutorials

Git is a powerful version control system used by developers all over the world. If you’re looking to learn Git or expand your knowledge, there are countless tutorials available online. In this article, we have compiled a list of some highly recommended Git tutorials that cover a wide range of topics. Whether you’re a beginner or an experienced user, these tutorials will help you improve your Git skills. Introductory Tutorials If you’re new to Git and want to get started, these introductory tutorials will provide you with a solid foundation:...

A Comprehensive Guide to the `basename` Command for Linux

The basename command is a powerful tool used to extract and display the filename portion of a given path. Whether you are a Linux user, macOS enthusiast, or working in a UNIX environment, understanding how to use basename can significantly enhance your command line skills and productivity. Let’s walk through a quick example to illustrate how basename works. Imagine you have a file path: /Users/flavio/test.txt. By executing the following command:...

A Comprehensive Guide to the `diff` Command in Linux

The diff command is a powerful tool used to compare files and directories in a Linux environment. It can help identify the differences between two files, making it easier to track changes or spot discrepancies. In this article, we will explore how to effectively use the diff command and its various options. Let’s start with a basic example. Imagine you have two files, dogs.txt and moredogs.txt, and you want to find out the difference between them....

A Comprehensive Guide to the `killall` Command in Linux

In the world of Linux commands, killall serves as a powerful tool for sending signals to multiple running processes simultaneously. While the traditional kill command targets a specific process ID, killall broadens its scope by enabling users to terminate multiple processes at once. Syntax The basic syntax of the killall command is as follows: killall <name> Here, <name> refers to the name of a program or process. For instance, if you have multiple instances of the top program running and want to terminate all of them, you can simply execute killall top....

A Comprehensive Guide to the HTML Canvas API

The Canvas API is a powerful tool offered by browsers that allows you to draw on the screen using the HTML <canvas> tag. In this tutorial, we’ll explore the different features and capabilities of the Canvas API. Create a canvas To create a canvas, simply add the <canvas></canvas> tag to a blank HTML file. By default, the canvas is invisible, so you won’t see anything. You can add a border to the canvas by adding the following CSS code:...

A Comprehensive Guide to Using requestAnimationFrame()

Learn how to use the requestAnimationFrame() API for performing animations and scheduling events in a predictable manner. The requestAnimationFrame() API is a relatively new addition to web browsers and provides a more predictable way to hook into the browser’s render cycle. It is supported by all modern browsers, including IE 10 and above. Although not specific to animations, requestAnimationFrame() is commonly used for animating elements on a webpage. In the past, animations were typically implemented using setTimeout() or setInterval()....

A Comprehensive Guide to Using the `less` Command in Linux

The less command is an essential tool for navigating and viewing the content of files in a Linux environment. It provides a user-friendly and interactive interface that allows you to efficiently browse through the contents of any given file. In this guide, we will explore the various features and functionalities of the less command. Usage To use the less command, simply type less followed by the name of the file you want to view....